lunrcore-index.cs

var index = await Index.Build(async builder =>
{
    builder
        .AddField("title")
        .AddField("body")

    await builder.Add(new Document
    {
        { "title", "Twelfth-Night" },
        { "body", "If music be the food of love, play on: Give me excess of it…" },
        { "author", "William Shakespeare" }
        { "id", "1" },
    });
});